Add processors section in Telegraf config

telegraf_processors: 
  - processor: rename
  - processor: rename.replace  
    config:
        - tag = "message"
        - dest = "messages"

templates/telegraf.conf.j2

@@ -112,4 +112,19 @@
 # No plugins configured, added a mem plugin so telegraf doesn't stop working.
 [[inputs.mem]]
 {% endif %}
+{% endif %}
+
+###############################################################################
+#                                  PROCESSORS                                    #
+###############################################################################
+
+{% if telegraf_processors is defined and telegraf_processors is iterable %}
+{% for item in telegraf_processors %}
+[[processors.{{ item.processor }}]]
+{% if item.config is defined and item.config is iterable %}
+{% for items in item.config %}
+    {{ items }}
+{% endfor %}
+{% endif %}
+{% endfor %}
 {% endif %}